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INCIDENT IN PROGRESS
Twilio
✓SMS Delivery Failures from a Subset of Twilio Short Codes to T-Mobile United States
Updated
Confirmed disruption
11:11Started
1Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio reported SMS delivery failures affecting a subset of its short codes when sending to T-Mobile network subscribers in the United States. Twilio later reported recovery and was monitoring service stability.
What users experienced
- User impact
Some SMS messages sent from a subset of Twilio short codes to T-Mobile network subscribers in the United States may have failed to deliver.
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Started
11:1125 Sep 2026Timeline of the incident
-
Detection
Confirmed by an official service source.
What we know
- ✓Twilio initially marked the incident as investigating.
- ✓Twilio later reported that it had identified the cause and was working to resolve the issue.
- ✓Twilio subsequently reported recovery in SMS delivery and changed the incident status to monitoring.
- ✓The affected SMS component was reported as operational during monitoring.